"a dagger of the mind" [Macbeth]; expertus metuit [Horace]; "fain
would I climb but that I fear to fall� [Raleigh]; "fear is the parent of
cruelty" [Froude]; "Gorgons and hydras and chimeras dire"
[Paradise Lost]; omnia tuta timens [Vergil]; "our fears do make us
traitors" [Macbeth].